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✅ Ansys Meshing Tutorial 09 - Inflation Mesh

In this tutorial, you will learn to use the Inflation tool in Ansys Meshing. Computational Fluid Dynamics #AnsysCFD #AnsysMeshing #AnsysMeshingInflation Source: Ansys Inflation Option The Inflation Option settings determine the heights of the inflation layers. The following options are available: Smooth Transition - This is the default. The Smooth Transition option uses the local tetrahedral element size to compute each local initial height and total height so that the rate of volume change is smooth. Each triangle that is being inflated will have an initial height that is computed with respect to its area, averaged at the nodes. This means that for a uniform mesh, the initial heights will be roughly the same, while for a varying mesh, the initial heights will vary. The computations used for prism layer growth are as follows: The following value is computed at each node on the prism base: Height of last prism (H) = Transition_Ratio * average_edge_length The height of the first layer (h) is computed using the following formula, where g = Growth Rate and n = Number of Layers: H = h * (g ^ (n-1)) Increasing the value of the Growth Rate control reduces the total height of the inflation layer. The total height approaches an asymptotic value with respect to the number of inflation layers. For details about the additional controls that appear when Smooth Transition is selected, refer to the descriptions of the Transition Ratio, Maximum Layers, and Growth Rate controls. Note: The Smooth Transition option works differently for the MultiZone mesh method. See MultiZone Support for Inflation for details. Total Thickness - The Total Thickness option creates constant inflation layers using the values of the Number of Layers and Growth Rate controls to obtain a total thickness as defined by the value of the Maximum Thickness control. Unlike inflation with the Smooth Transition option, with the Total Thickness option the thickness of the first inflation layer and each following layer is constant. For details about the additional controls that appear when Total Thickness is selected, refer to the descriptions of the Number of Layers, Growth Rate, and Maximum Thickness controls. First Layer Thickness - The First Layer Thickness option creates constant inflation layers using the values of the First Layer Height, Maximum Layers, and Growth Rate controls to generate the inflation mesh. Unlike inflation with the Smooth Transition option, with the First Layer Thickness option the thickness of the first inflation layer and each following layer is constant. For details about the additional controls that appear when First Layer Thickness is selected, refer to the descriptions of the First Layer Height, Maximum Layers, and Growth Rate controls. First Aspect Ratio - The First Aspect Ratio option creates inflation layers using the values of the First Aspect Ratio, Maximum Layers, and Growth Rate controls to generate the inflation mesh. Post inflation is not supported when Inflation Option is First Aspect Ratio. For details about the additional controls that appear when First Aspect Ratio is selected, refer to the descriptions of the First Aspect Ratio, Maximum Layers, and Growth Rate controls. Last Aspect Ratio - The Last Aspect Ratio option creates inflation layers using the values of the First Layer Height, Maximum Layers, and Aspect Ratio (Base/Height) controls to generate the inflation mesh. Last Aspect Ratio Option illustrates this option. With the Last Aspect Ratio method, the First Layer Height is specified. The offset height for the last layer is calculated from the local base mesh size and specified Aspect Ratio (base/height). For example, if you specify a value of 3 for Aspect Ratio (base/height), the offset height of the last layer will be the local base mesh size divided by 3. The local growth rate is calculated using Maximum layers to create exponential growth through the intermediate layers. Post inflation is not supported when Inflation Option is Last Aspect Ratio. For details about the additional controls that appear when Last Aspect Ratio is selected, refer to the descriptions of the First Layer Height, Maximum Layers, and Aspect Ratio (Base/Height) controls. http://cfd.ninja/ https://cfdninja.com/ https://3dn.ninja/ ANSYS Overseas by Vlad Gluschenko   / vgl9   Creative Commons — Attribution 3.0 Unported — CC BY 3.0 Free Download / Stream: http://bit.ly/oversas Music promoted by Audio Library    • Overseas – Vlad Gluschenko (No Copyri...